I'm on my second course of Accutane right now. I took it when I was 13 and my skin was flawless, but it returned after a while. The older you are, the less likely it is of coming...
I don't know the answer to this, but I was perscribed loestrin which has the lowest level of estrogen allowed by the FDA. So, if you're looking for something of the sort, ask your doctor about that.